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Rose White Knock Out®
White Knock Out Rose is a continuous blooming upright deciduous shrub with abundant clusters of lightly fragrant pure white flowers that bloom from spring until the first frost. The deep almost black-green foliage has no fall color. Best grown in full sun and rich, moist, slightly acidic well-drained soils. Highly resistant to black spot and drought tolerant.
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Type: |
Shrub |
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Height: |
3' - 3.5' |
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Spread: |
3’ - 3.5' |
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Spacing: |
3' |
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USDA Hardiness Zone: |
4 - 11 |
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Culture: |
Full Sun |
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Bloom Color: |
White |
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Season of Interest: |
Spring, Summer, Fall |
MAINTENANCE NEEDS: Medium Maintenance. Roses are susceptible to powdery mildew, black spot, rust, and rose rosette and require regular fungicide in humid areas that experience a lot of rainfall. Pest issues include aphids, borers, scale, mites thrips, midges, and leafhoppers.
LANDSCAPE USES: Accents or Group Plantings, Borders, Naturalized Areas, Wildlife Garden, Foundation Plantings, and Containers.
COMPANION PLANTS: Phlox, Holly, Tickseed
IMAGE: T.Kiya from Japan, Rose, White Knock out. バラ, ホワイト ノックアウト, (24051792172), CC BY-SA 2.0
*As plants have ranges in appearance they may not appear as the images shown.
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All plants are shipped through UPS ground services.
Estimated Shipping Time: Your order may ship immediately, however most orders ship in 1-2 business days (we do not ship on weekends) from date of purchase. Once your order is shipped, you'll receive an email with a tracking number.
If you ordered more than one plant, you will receive multiple shipments. This is to get your plants to you as soon as possible. However, shipping schedules can change due to unforeseen events, such as unpredictable weather. We appreciate your patience.
It helps us recommend plants that are best for your local climate, based on your growing zone. Also, because we ship plants based on when they are best for your local climate, it allows us to give you a more accurate estimate of when your order will ship.